21442112125035 has 64 divisors (see below), whose sum is σ = 39317172111360. Its totient is φ = 9774928650240.

The previous prime is 21442112125019. The next prime is 21442112125081. The reversal of 21442112125035 is 53052121124412.

It is not a de Polignac number, because 21442112125035 - 2⁴ = 21442112125019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21442112124987 and 21442112125005.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 619142170 + ... + 619176800.

It is an arithmetic number, because the mean of its divisors is an integer number (614330814240).

Almost surely, 2^{21442112125035} is an apocalyptic number.

21442112125035 is a deficient number, since it is larger than the sum of its proper divisors (17875059986325).

21442112125035 is a wasteful number, since it uses less digits than its factorization.

21442112125035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50828.

The product of its (nonzero) digits is 19200, while the sum is 33.

Adding to 21442112125035 its reverse (53052121124412), we get a palindrome (74494233249447).

The spelling of 21442112125035 in words is "twenty-one trillion, four hundred forty-two billion, one hundred twelve million, one hundred twenty-five thousand, thirty-five".